Audited use of a cryptographic key转让专利
申请号 : US16680009
文献号 : US10855465B2
文献日 : 2020-12-01
发明人 : Ernest Brickell
申请人 : Ernest Brickell
摘要 :
Methods and apparati for auditing uses of cryptographic keys. In a method embodiment of the present invention, a set of audited uses for a cryptographic key is defined; the key is generated inside a protected execution environment of a digital computer; all software and firmware that is usable in the execution environment to access the key is demonstrated to an auditor; and, for each audited use of the key, a non-tamperable audit record describing said use is released.